初始化项目框架，完成部分接口开发

internal/service/book.go

@@ -0,0 +1,36 @@
+// ================================================================================
+// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
+// You can delete these comments if you wish manually maintain this interface file.
+// ================================================================================
+
+package service
+
+import (
+	"context"
+	"server/internal/model"
+)
+
+type (
+	IBook interface {
+		// List retrieves a paginated list of books
+		List(ctx context.Context, in *model.BookListIn) (out *model.BookListOut, err error)
+		Create(ctx context.Context, in *model.BookAddIn) (out *model.BookCRUDOut, err error)
+		Update(ctx context.Context, in *model.BookEditIn) (out *model.BookCRUDOut, err error)
+		Delete(ctx context.Context, in *model.BookDelIn) (out *model.BookCRUDOut, err error)
+	}
+)
+
+var (
+	localBook IBook
+)
+
+func Book() IBook {
+	if localBook == nil {
+		panic("implement not found for interface IBook, forgot register?")
+	}
+	return localBook
+}
+
+func RegisterBook(i IBook) {
+	localBook = i
+}